Nombre corto	CoreJS	Express	Geddy	Ni
Sitio web	core-js.org	expressjs.com	geddyjs.org	github.com/...
Extracto	CoreJS is a web application framework. It allows you to create Powerful Web Applications written in CoffeeScript.	Express is a web application framework for Node.js, focused on High performance.	Geddy is a modular, simple-to-use web application framework for Node.js. Similar to web frameworks like Rails or Django.	Minimal framework, packaged as a regular Node module inspired by CodeIgniter.
Development language	CoffeeScript	Javascript	Javascript	Javascript
MVC	Sí	Sí	Sí	Sí
Built on Connect middleware	No	Sí	No	Sí
Build system	Cake		Jake
Supported databases	MySQL		SQLite, PostgreSQL, CouchDB
Tutorial / Guide	core-js.org/...	expressjs.com/...	github.com/...